GB8628914D0 - Colour former manufacture - Google Patents

Colour former manufacture

Info

Publication number
GB8628914D0
GB8628914D0 GB868628914A GB8628914A GB8628914D0 GB 8628914 D0 GB8628914 D0 GB 8628914D0 GB 868628914 A GB868628914 A GB 868628914A GB 8628914 A GB8628914 A GB 8628914A GB 8628914 D0 GB8628914 D0 GB 8628914D0
Authority
GB
United Kingdom
Prior art keywords
colour former
former manufacture
manufacture
colour
former
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
GB868628914A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wiggins Teape Group Ltd
Original Assignee
Wiggins Teape Group Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wiggins Teape Group Ltd filed Critical Wiggins Teape Group Ltd
Priority to GB868628914A priority Critical patent/GB8628914D0/en
Publication of GB8628914D0 publication Critical patent/GB8628914D0/en
Priority to EP19870907803 priority patent/EP0292522A1/en
Priority to JP50009087A priority patent/JPH01501484A/en
Priority to PCT/GB1987/000871 priority patent/WO1988004296A1/en
Pending legal-status Critical Current

Links

GB868628914A 1986-12-03 1986-12-03 Colour former manufacture Pending GB8628914D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB868628914A GB8628914D0 (en) 1986-12-03 1986-12-03 Colour former manufacture
EP19870907803 EP0292522A1 (en) 1986-12-03 1987-12-03 Colour former manufacture
JP50009087A JPH01501484A (en) 1986-12-03 1987-12-03 Manufacturing method of coloring agent
PCT/GB1987/000871 WO1988004296A1 (en) 1986-12-03 1987-12-03 Colour former manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868628914A GB8628914D0 (en) 1986-12-03 1986-12-03 Colour former manufacture

Publications (1)

Publication Number Publication Date
GB8628914D0 true GB8628914D0 (en) 1987-01-07

Family

ID=10608387

Family Applications (1)

Application Number Title Priority Date Filing Date
GB868628914A Pending GB8628914D0 (en) 1986-12-03 1986-12-03 Colour former manufacture

Country Status (4)

Country Link
EP (1) EP0292522A1 (en)
JP (1) JPH01501484A (en)
GB (1) GB8628914D0 (en)
WO (1) WO1988004296A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4985345A (en) * 1989-02-02 1991-01-15 Ricoh Company, Ltd. Recording material

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4020056A (en) * 1975-04-10 1977-04-26 Ncr Corporation Di-vinyl phthalides color formers
US4730057A (en) * 1985-01-17 1988-03-08 Kanzaki Paper Manufacturing Co., Ltd. Phthalide derivatives useful as colorless chromogenic material

Also Published As

Publication number Publication date
WO1988004296A1 (en) 1988-06-16
JPH01501484A (en) 1989-05-25
EP0292522A1 (en) 1988-11-30

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